Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345042 | Polyurethane-modified polyisocyanurate foam and method for producing the same | Tsutomu Nakamura, Masatoshi Onishi | 1982-08-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4345042 | Polyurethane-modified polyisocyanurate foam and method for producing the same | Tsutomu Nakamura, Masatoshi Onishi | 1982-08-17 |